fix: Add optional chaining to unverified user condition (#5190)

Author: iamareebjamal

app/components/forms/wizard/basic-details-step.js

@@ -82,7 +82,7 @@ export default Component.extend(FormMixin, EventWizardMixin, {
   }),
 
   isUserUnverified: computed('authManager.currentUser.isVerified', function() {
-    return !this.authManager.currentUser.isVerified;
+    return !this.authManager?.currentUser?.isVerified;
   }),
 
   subTopics: computed('data.event.topic', function() {

app/components/forms/wizard/other-details-step.js

@@ -29,7 +29,7 @@ export default Component.extend(FormMixin, EventWizardMixin, {
   }),
 
   isUserUnverified: computed('authManager.currentUser.isVerified', function() {
-    return !this.authManager.currentUser.isVerified;
+    return !this.authManager?.currentUser?.isVerified;
   }),
 
   showDraftButton: computed('data.event.state', function() {

app/components/public/ticket-list.js

@@ -15,7 +15,7 @@ export default Component.extend(FormMixin, {
 
   isUnverified: computed('session.isAuthenticated', 'authManager.currentUser.isVerified', function() {
     return this.session.isAuthenticated
-      && !this.authManager.currentUser.isVerified;
+      && !this.authManager?.currentUser?.isVerified;
   }),
 
   shouldDisableOrderButton: computed('hasTicketsInOrder', 'isDonationPriceValid', 'isUnverified', function() {